'How to Anodize Titanium and Niobium'

Instructional DVD.     VHS available on request

2nd Edition

(c) Toika Bridges 1998

Color Bar is a representation of available colors, done by a graphics program.  This is not an actual photograph like all the other pictures on this site.

  2 hours.  Demonstrates the process.  Includes 52 minutes of anodizing technique explanation/demonstrations and 42 minutes of project demonstrations covering 6 anodizing projects.

This DVD will not show you how to make the medium to dark-ish grey titanium wedding rings/bracelets.  The DVD is about how to COLOR titanium/niobium.

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SPECIFIC INFORMATION ON TITANIUM AND NIOBIUM
SUMMARY OF DVD CONTENTS                                                                    
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 .SPECIFIC INFORMATION ON TITANIUM AND NIOBIUM These metals start out silver-grey in color. They produce an exquisite range of colors when heated (torch) or anodized (electrolytic bath). This process DOES NOT INVOLVE THE USE OF PAINTS, DYES, ETC. Ti and Nb colors are true metallic colors, and are unequaled by paint, dye, etc. Whether making items for yourself, gifts, or shows, your items will be unique. The colors are produced by "Optical Interference". Heat or Anodizing creates varying thicknesses of oxide on the metal's surface. As light passes through these oxide layers, it is reflected and/or absorbed, producing permanent, no-fade color, much the same way in which butterfly wings display color. You are contouring light as well as metal.

The colors go from light amber, dark amber, deep purple, cobalt blue, sky blue, very light blue, to lemon yellow, yellow, gold, rose gold, fuchsia, magenta, dark purple, blue, teal, apple green, and shades in between. Approximately 45 colors/shades. Ti and Nb do not produce black or red. These colors can be silk-screened or airbrushed on after heat coloring or anodizing. Nb cannot be torch colored like Ti can. Nb can be colored only by anodizing. When Nb is torch heated, it turns varying shades of grey, (sometimes with patchy grey oxide scale) depending on the surface finish you created, how long you heated it, in what type of environment, etc.  It can then be sufficiently blasted, ground, etc., in areas you select, and anodized in the above colors. Sufficiently means - enough to totally remove the oxide layer. The grey can be attractive against the colors.

If you are familiar with Aluminum Anodizing, the general term 'electro-chemical process' applies to aluminum and Ti/Nb anodizing. After this statement, they take TWO DIFFERENT forks in the road. The rules, results, equipment, and procedures are different. While the colors available with anodized aluminum might suit your project, the colors produced by Ti & Nb are a more sophisticated artist's palette. The methods available in Ti & Nb anodizing are more far-reaching, and allow you much more artistic control than what is currently available in anodizing aluminum in your studio.

.SUMMARY OF DVD

• Introduction:  5 minutes
• Purchasing the Metals: Proper gauge for sheet metal, forms the metals are available in, etc. 1 minute.
• Cutting and Forming the Metals: Cutting larger sheet down to workable size, cutting wire, rod, tools to use, jeweler's hand saw, press blanking, etc.   4 minutes.
• Surface Preparation: Very important to the look of your final piece. Ways to achieve a uniform surface finish are demonstrated. Texturizing with different tools, abrasive blasting. Niobium can be anodized after you have achieved the surface finish you need. Titanium must be prepared in an etching solution for the most brilliant colors.  14 minutes
• Coloring the Metals:  Intro:  2 minutes        
•       Coloring Ti by Torch:  After surface preparation, Ti can be colored using a simple workshop torch, or variable heat torches from hobby stores, for different looks.   5 minutes    
•       Coloring Ti & Nb by Anodizing: Explanation and demonstration of how the colors are produced.  The system components, safety guidelines. Anodizing requires electricity and a water/phosphate  (or phosphate substitute) bath solution. Anodizing bath techniques - dry anodizing, wet anodizing, anodic painting, smooth color gradations, etc.   45 minutes
• Project Demonstrations: Six step-by-step anodizing projects incorporating several techniques.    42 minutes
• Joining Techniques:  List of cold joining techniques, mention of fusion welding. 1 minute
• Care Instructions: for jewelry and display items. 1 minute

A Vendor/Resource Supply List is included, and a text chart of what color each voltage produces.

Here are some more examples of anodizing, in addition to those demonstrated in the video.

Some examples of anodic painting:

As mentioned on posts at Ganoksin.com:
http://www.ganoksin.com/orchid/archive/200408/msg00955.htm
http://www.ganoksin.com/orchid/archive/200101/msg00828.htm

.Toika Bridges   tbridges@bellsouth.net   (770) 466-9110  btwn 2pm & 9pm Eastern Time

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